Consider the ideal op-amp circuit shown in the figure below. The width of the hysteresis curve for this circuit will be _____V.

3

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Solution

The correct option is A 3
Width of the hysteresis curve 'W' can be given as,
W = $V_{U T} - V_{L T}$

$V_{U T} = (U p p p e r t h r e s h o l d v o l t a g e)$

= $(\frac{4 \times 2}{2 + 2}) = 2 V$

$V_{L T} = (L o w e r t h r e s h o l d v o l t a g e$ )

= $(\frac{- 2 \times 2}{2 + 2}) = - 1 V$

W = $V_{U T} - V_{L T}$
= 2 - (-1)
= 3 V

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